@charset "UTF-8";

@import url("https://cdn.jsdelivr.net/npm/yakuhanjp@3.3.1/dist/css/yakuhanjp.min.css");
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&family=Zen+Kaku+Gothic+New:wght@300;400;500;700;900&display=swap");
@import url("https://fonts.googleapis.com/css?family=Sawarabi+Mincho:400");
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@200..700&display=swap');

html,
body {
  width: 100% !important;
  height: 100% !important;
}

html {
  font-size: clamp(0.938rem, 0.919rem + 0.09vw, 1.031rem);
  -webkit-text-size-adjust: 100% !important;
  -ms-text-size-adjust: 100% !important;
  -ms-overflow-style: scrollbar !important;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0) !important;
}

body {
  margin: 0;
  padding: 0;
  background: #fff !important;
  font-family: YakuHanJP, "Zen Kaku Gothic New", 游ゴシック, YuGothic,
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
    "BIZ UDPGothic", Meiryo, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400 !important;
  line-height: 1.75 !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2C2F40;
}

*,
*:before,
*:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

*:focus {
  outline: none !important;
}

*:focus {
  box-shadow: none !important;
}

/* --  scroll-bar -------------------------------------------------------------------- */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f7f7f7;
}

::-webkit-scrollbar-thumb {
  background: #9b9b9b;
  border-radius: 5px;
}

/* -- div#pagetop-scroll -------------------------------------------------------------------- */

div#pagetop-scroll {
  display: none;
  position: fixed;
  right: 35px;
  bottom: 25px;
  color: #fff;
  width: 2.7em;
  height: 2.7em;
  border-radius: 50%;
  background: #ECE933;
  text-align: center;
  line-height: 2.7em;
}

.fa-3x {
  font-size: 1.25em;
  line-height: 2;
}

div#pagetop-scroll:hover {
  cursor: pointer;
  opacity: 0.9;
}


/* --  side -------------------------------------------------------------------- */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100%;
  background-color: #fff;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  padding: 0;
}

#society-aside {
  padding-top: 0;
  padding-bottom: 25px;
  padding-left: 0;
  padding-right: 0;
  margin: 0;
  width: 300px;
  position: fixed;
  bottom: 0;
  top: 100px;
  left: 0;
  overflow-y: auto;
  z-index: 1001;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
  transition: all 0.5s ease;
  letter-spacing: 0.05rem;
}

#society-aside::-webkit-scrollbar {
  display: none;
  /*スクロールバーを非表示*/
}

#society-aside #society-main-menu ul,
#society-aside #society-main-menu ul li {
  margin: 0;
  padding: 0;
}

#society-aside #society-main-menu ul li {
  margin: 0;
  list-style: none;
  font-weight: 700;
  text-decoration: none !important;
  background-color: #fff;
  border-bottom-style: solid;
  border-bottom-width: thin;
  border-bottom-color: #ccc;
  display: inline-block;
  width: 100%;
  /* text-transform: uppercase; */
  letter-spacing: 0;
}

#society-aside #society-main-menu ul li a {
  color: inherit;
  font-size: 0.925rem;
  text-decoration: none !important;
  position: relative;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
  transition: all 0.3s ease;
  text-decoration: none !important;
  display: flex; /* フレックスボックスを利用 */
  align-items: center; /* 縦方向中央揃え */
  width: 100%;
  padding: 12px 7px;
  letter-spacing: 0.1rem;
  line-height: 1.65;
}

#society-aside #society-main-menu ul li a span {
  color: #fff;
  background: #333;
  padding: 5px; /* アイコンに適切な余白 */
  margin-right: 10px; /* 文字との間隔 */
  display: flex; /* フレックスボックスを利用 */
  align-items: center; /* 縦方向中央揃え */
  justify-content: center; /* 水平方向中央揃え */
  height: 24px; /* アイコンの固定高さ */
  width: 24px; /* アイコンの固定幅 */
  border-radius: 4px; /* 丸みを追加（必要なら） */
}

#society-aside #society-main-menu ul li.preparation a span {
  color: #fff;
  background: #dbdbdb;
}

#society-aside #society-main-menu ul li a div {
  opacity: 0.5;
  display: inline-block;
  flex: 1; /* 残りのスペースを占有 */
}

#society-aside #society-main-menu ul li.preparation {
  pointer-events: none !important;
}

#society-aside #society-main-menu ul li.preparation > a {
  color: #3c3c3c;
}

/* #society-aside #society-main-menu ul li a:hover {
  text-decoration: none !important;
  color: #fff;
} */

#society-aside #society-main-menu ul li.society-active a {
  color: #fff !important;
  text-decoration: none !important;
}

#society-aside #society-main-menu ul li.society-active a span {
  background: none !important;
}

#society-aside #society-main-menu ul li:hover {
  background-color: #e9ecef !important;
  color: initial !important;
  text-decoration: none !important;
}

#society-aside #society-main-menu ul li.society-active {
  background-color: #19A7C3;
  text-decoration: none !important;
  pointer-events: none !important;
}

/* icon size */
.material-icons.md-14 {
  font-size: 12px;
}
.material-icons.md-18 {
  font-size: 18px;
}
.material-icons.md-24 {
  font-size: 24px;
}
.material-icons.md-36 {
  font-size: 36px;
}
.material-icons.md-48 {
  font-size: 48px;
}

.material-icons {
  display: inline-flex;
  vertical-align: middle;
}

/* サブメニューエリアの初期状態（非表示） */
.submenu-area {
  display: none; /* flexを無効に */
  position: fixed;
  top: 0;
  left: 300px;
  width: 420px;
  height: 100vh; /* 自動で高さ調整 */
  max-height: 100vh; /* ビューポートの高さを超えないように制限 */
  background-color: #f8f9fa;
  border-left: 1px solid #ddd;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  z-index: 5555 !important;
  padding: 65px 35px;
  overflow-y: auto; /* コンテンツが溢れた場合にスクロール */
  box-sizing: border-box; /* ボックスサイズ計算を調整 */
}

.submenu-area * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* マウスオーバー時に表示 */
.pp:hover .submenu-area {
  display: block !important; /* フレックスボックスを有効にし表示 */
}

/* ポスターダウンロード */
#society-aside .posd {
  margin: 22px 0 0;
  padding: 0 !important;
  background: #f4f5f7;
}

#society-aside .posd img {
  width: 93%;
}

#society-aside .posd a:hover {
  opacity: 0.7;
}

#society-aside .posd-txt {
  color: #076EB5 !important;
}

#society-aside .posd-txt p{
  line-height: 1.15;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 3px;
  font-family: "Oswald", serif;
  transform: scale(1.25, 1);
}

#society-aside .posd-txt p:nth-child(2){
  line-height: 1.25;
  font-size: 30px;
  font-weight: 900;
  transform: scale(1.25, 1);
}

#society-aside .posd a:hover,#society-aside .posd a:hover .posd-txt:hover {
  text-decoration: none !important;
}

/* 事務局 */
#society-aside dl.secretariat {
  margin: 0 0 35px !important;
  padding: 0;
}

#society-aside dl.secretariat dt {
  margin: 0;
  padding: 0;
  line-height: 1.45;
  font-weight: 700;
}

#society-aside dl.secretariat dd {
  margin: 7px 10px;
  padding: 0;
  font-weight: 400;
  line-height: 1.45;
}

#society-aside dl.secretariat {
  width: 100%;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  /* font-size: 0.95rem; */
}

#society-aside dl.secretariat dt {
  padding: 0 3px 0;
}
#society-aside dl.secretariat dt {
  background: #fff !important;
  border: solid 1px #ccc;
  padding: 7px 0;
  margin-bottom: 10px;
  text-align: center;
}

#society-aside dl.secretariat dd:nth-child(1) {
  padding: 1px 3px 6px;
}

/* -- modal CSS -------------------------------------------------------------------- */

body.fixed {
  position: fixed;
  width: 100%;
  height: 100%;
  left: 23.8%;
}

.modalArea {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(100% + 160px);
  z-index: 99999;
}

.modalBg {
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
}

.modalWrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  max-width: 800px;
  padding: 45px 30px;
  background-color: #fff;
  margin-top: -80px;
}

@media (max-width: 767px) {
  .modalWrapper {
    width: 90%;
    padding: 45px 15px;
  }
}

.modalContents > p.mtitle {
  font-size: 1.25rem;
  font-weight: 600;
  text-align: left;
}

.modalContents > p {
  font-size: 1rem;
  line-height: 2;
  font-weight: 500;
  text-align: center;
}

.closeModal {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  cursor: pointer;
}

body.fixed02 {
  position: fixed;
  width: 100%;
  height: 100%;
  left: 0;
}


/* --  main -------------------------------------------------------------------- */

.main{
  margin-left: 300px;
  background-color: #fcfcfc;
  padding: 20px;
  overflow-x: hidden;
}

@media (max-width: 991px) {
  .main{
    margin-left: 0;
  }
}

.content-top-imgarea {
  height: auto;
  overflow: hidden;
}

@media (max-width: 991px) {
  .content-top-imgarea {
    margin-top: 90px;
  }
}

/* @media (max-width: 767px) {
  .content-top-imgarea {
    margin: 60px -120px 0 -80px;
  }
}

@media (max-width: 576px) {
  .content-top-imgarea {
    margin: 60px -70px 0 -50px;
  }
} */

.content-area {
  max-width: 1200px;
  margin: 25px auto;
}


/* -- HOME トップ画像 -- */
.topimage {
  width: 100%;
  height: auto;
  margin-bottom: 20px;
}


/* -- News -- */

.info {
  padding: 1.5em 2em 1em;
  border: 1px solid #ccc;
  text-align: left;
  line-height: 1.45;
  width: 100%;
  background: #ffffffde !important;
}

h2 {
  font-weight: 700;
  font-size: 1.5rem !important;
  color: #1565C0 !important;
  margin-bottom: 10px;
}

.info-container {
  overflow: auto;
  padding: 0;
}

.info dl {
  padding: 0.25em 0;
  border-bottom: 1px solid #ccc;
  display: flex;
  margin-bottom: 0;
}

.info dl:first-child {
  margin-top: -0.65em !important;
}

.info dl:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.info dt,
.info dd {
  line-height: 1.65;
  padding: 0.65em 0 0.65em 0.25rem;
  margin: 0;
}

.info dt {
  /* padding-bottom: 0.35em; */
  width: auto;
  margin-right: 1rem;
}


@media (max-width: 767px) {
  .info dl {
    display: block;
  }

.info dt{
  line-height: 2;
  padding: 0.65em 0.25rem 0;
  margin: 0;
}

.info dd {
  line-height: 1.45;
  padding: 0 0.25rem 0.65em;
  margin: 0;
}
}

/* -- footer -------------------------------------------------------------------- */

#footer-area {
  display: flex;
  /* justify-content: flex-end;  */
  margin: 15vh 0 0;
  padding: 35px 0 85px;
  gap:25px;
}

@media (max-width: 767px) {
  #footer-area {
    display: block !important;
  }
}

#footer-area ul.secretariat,
#footer-area ul.secretariat li {
  margin: 0;
  padding: 0;
}


#footer-area ul.secretariat {
  width: 100%;
  max-width: 600px;
  margin: 0 0 35px;
  padding: 0;
  list-style: none;
}

#footer-area .secretariat02{
  display: flex;
  justify-content: space-between;
  gap:10px;
}

#footer-area .secretariat02 > div{
  width: 100%;
}

@media (max-width: 540px) {
  #footer-area .secretariat02{
    display: block;
  }
  #footer-area .secretariat02 > div{
    width: 96%;
    margin: 15px auto 25px;
  }
}

#footer-area ul.secretariat li {
  padding: 0 15px;
  margin: 0;
  line-height: 1.55;
}
#footer-area ul.secretariat li:nth-child(1) {
  background-color: #fff;
  border: solid 1px #ccc;
  padding: 7px 0 5px;
  margin: 0 0 10px;
  text-align: center;
  font-weight: 700;
}

#footer-area ul.secretariat li:nth-child(2) {
  /* padding: 0 !important; */
  margin: 0 0 3px;
}

#footer-area ul.secretariat li:nth-child(3) span {
  display: inline-block !important;
}

.bg-light02{
  background: #eaeff3 !important;
}

/* -- copy-light　-- */
footer {
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  margin: 0;
  padding: 12px 0;
  /* border-top: #ccc solid 1px; */
}

/* --  header ----------------------------------- */

.header-inner {
  margin-left: 300px !important; /* 必要に応じて調整 */
  height: 102px !important; /* ヘッダーの高さを設定 */
  background: #19A7C3; /* 背景色 */
  padding: 10px 10px 10px 20px; /* 内側の余白 */
  border: 1px solid #dee2e6; /* 枠線 */
  display: flex; /* フレックスボックスを使用 */
  align-items: center; /* 縦方向中央揃え */
}

@media (max-width: 991px) {
  .header-inner {
    display: none;
  }
}

.title-area {
  text-align: left; /* 左寄せ */
  margin-right: 45px;
}

.title-area h1 {
  font-size: clamp(1.4rem, 1.079rem + 0.52vw, 1.7rem); /* タイトルのフォントサイズ */
  font-weight: 500; /* 太字 */
  margin: 0; /* マージンをリセット */
  color: #fff; /* 文字色 */
  letter-spacing: 0.05em;
  line-height: 1 !important;
  white-space: nowrap;
  padding: 0.25em 0.5em;/*上下 左右の余白*/
  border-left: solid 7px #FCF56F;/*左線*/
}


.image-area {
  flex: 1; /* 右側のスペースを確保 */
  text-align: right; /* 右寄せ */
}

.image-area .header-img {
  height: 100%; /* 親要素に合わせる */
  width: auto; /* アスペクト比を維持 */
  max-height: 45px;
  object-fit: contain;
  margin-right: 25px;
}




h1.title-area-sp{
  display: none;
  font-size: 1.5em; /* タイトルのフォントサイズ */
  font-weight: 500; /* 太字 */
  margin: 0; /* マージンをリセット */
  color: #19A7C3; /* 文字色 */
  letter-spacing: 0.1em;
  line-height: 2 !important;
  white-space: nowrap;
  border-bottom: #ccc solid 1px;
  text-align: center;
  padding-top: 80px ;
}

@media (max-width: 991px) {
  h1.title-area-sp{
    display: block;
  }
}

.header-inner-sp{
  display: none;
  height: 80px;
  padding: 0 20px;
  background: #19A7C3;
  border-bottom: solid 1px #ffffff80;
}

@media (max-width: 991px) {
  .header-inner-sp {
    display: flex; /* 横並びに */
    align-items: center; /* 縦方向中央揃え */
    position: fixed; /* 上部に固定 */
    top: 0; /* 上端に配置 */
    left: 0; /* 左端に配置 */
    width: 100%; /* 横幅を画面幅いっぱいに */
    z-index: 10; /* 他の要素の上に表示 */
}
}

.cName_area {
  display: flex;
  align-self: center;
  color: #000;
  padding: 0;
  margin: 0;
  /* background: #30cfd0; */
}
.cName_area:hover {
  text-decoration: none;
  color: #000;
}
.cName_area .logo {
  flex-shrink: 0;
  width: 75px;
  margin-top: 5px !important;
  margin-right: 15px !important;
}

.cName_area .logo > img {
  width: 75px;
}

.cName_area .cName {
  margin-left: 0;
}

.cName h4 {
  font-family: serif;
  font-size: clamp(0.938rem, 0.892rem + 0.23vw, 1.063rem);
  line-height: 1;
  margin: 0;
  padding: 0 0 7px;
  font-weight: 500 !important;
  color: #fff;
  letter-spacing: 0.05em;
}

.cName h4 > span{
  color: #4A4A4A;
}

.cName h1 {
  display: -webkit-flex;
  display: flex;
  align-self: center;
  font-size: clamp(1.5rem, 1.425rem + 0.38vw, 1.875rem);
  line-height: 1;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  white-space: nowrap;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  color: #fff;
}

.cName h1 > br {
  display: none;
}

@media (max-width: 767px) {
  .cName_area .cName {
    margin-left: 0;
  }

  .cName_area h1 {
    font-size: 1.7rem;
    padding: 0;
  }

}

@media (max-width: 567px) {
  .cName h4 {
display: none;
  }
  .cName_area h1 {
    font-size: 1.4rem;
    padding: 0;
  }
}

@media (max-width: 475px) {
  .cName_area h1 {
    font-size: 1.25rem;
    padding: 0;
    line-height: 1.35;
  }
  .cName h1 > br {
    display: block;
  }
}

.pc {
  display: block;
}

.sp {
  display: none;
}

@media (max-width: 991px) {

  .pc {
    display: none;
  }

  .sp {
    display: block;
  }
}

.toggled {
  margin-left: -18rem;
}

p {
  margin-bottom: 1rem;
}

.h5 {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 1.215rem !important;
  color: #3a7078 !important;
}

@media (max-width: 767px) {
  .h5 {
    font-size: 1.1rem !important;
    color: #3a7078 !important;
  }
}

/* -- hamburger menu -------------------------------------------------------------------------------------------- */
.menu-btn {
  position: fixed;
  top: 17px;
  right: 15px;
  display: flex;
  height: 48px;
  width: 48px;
  justify-content: center;
  align-items: center;
  z-index: 90;
  background-color: rgb(255, 255, 255);
  border-radius: 2px;
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
  content: "";
  display: block;
  height: 2px;
  width: 25px;
  border-radius: 3px;
  background-color: #19A7C3;
  position: absolute;
}
.menu-btn span:before {
  bottom: 8px;
}
.menu-btn span:after {
  top: 8px;
}
#menu-btn-check:checked ~ .menu-btn span {
  background-color: #fff;
}
#menu-btn-check:checked ~ .menu-btn span::before {
  bottom: 0;
  transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
  top: 0;
  transform: rotate(-45deg);
}

#menu-btn-check {
  display: none;
}
.menu-content {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 100%;
  z-index: 80;
  background-color: rgba(255, 255, 255);
  transition: all 0.5s;
}
.menu-content ul {
  margin-top: 60px;
  padding: 10px 10px 50px;
  height: calc(100vh - 70px) !important;
  overflow-y: scroll;
}
.menu-content ul li {
  border-bottom: solid 1px #ccc;
  list-style: none;
}
.menu-content ul li a {
  display: block;
  width: 100%;
  /* font-size: 14px; */
  font-weight: 700;
  box-sizing: border-box;
  color: inherit;
  text-decoration: none;
  padding: 13px 25px 10px 5px;
  position: relative;
  font-family: "Noto Sans JP", sans-serif;
}
.menu-content ul li a::before {
  content: "";
  width: 7px;
  height: 7px;
  border-top: solid 2px #19A7C3;
  border-right: solid 2px #19A7C3;
  transform: rotate(45deg);
  position: absolute;
  right: 11px;
  top: 21px;
}

.menu-content ul li a:hover {
  color: #ffffff;
  background-color: #19A7C3;
}

.menu-content ul li a:hover::before {
  border-top: solid 2px #fff !important;
  border-right: solid 2px #fff !important;
}

.menu-content ul li:last-child {
  margin-bottom: 150px !important;
}

#menu-btn-check:checked ~ .menu-content {
  left: 0; /*メニューを画面内へ*/
}


/* --  scroll_down -------------------------------------------------------------------- */

/* .content-top-imgarea {
  position: relative;
  z-index: 333 !important;
} */

@media screen and (max-width: 1750px) {
  .scroll_down{
    display: none !important;
  }
}

.scroll_down{
  display: block;
  position:absolute;
  bottom:70px;
  left:calc(150px + 50%);
  animation: arrowmove 1s ease-in-out infinite;
}

.scroll_down a{
  position: absolute;
  left: -24px;
  bottom: 35px;
  color: #555;
  font-size: 14px;
  font-family: "Oswald", serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  width: 24px;
  height: 24px;
  text-decoration: none;
}

.text {
  display: block;
  margin-top: 62px;
  margin-left: -14px;
  font-size: 12px;
  color: #555;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 2px;
}

.arrow {
  position: absolute;
  width: 28px;
  height: 5px;
  opacity: 0;
  transform: scale3d(0.5, 0.5, 0.5);
  animation: move 3s ease-out infinite;
}

.arrow:first-child {
  animation: move 3s ease-out 1s infinite;
}

.arrow:nth-child(2) {
  animation: move 3s ease-out 2s infinite;
}

.arrow:before,
.arrow:after {
  content: ' ';
  position: absolute;
  top: 0;
  height: 100%;
  width: 51%;
  background: #555;
}

.arrow:before {
  left: 0;
  transform: skew(0deg, 30deg);
}

.arrow:after {
  right: 0;
  width: 50%;
  transform: skew(0deg, -30deg);
}

@keyframes move {
  25% { opacity: 1; }
  33% { opacity: 1; transform: translateY(30px); }
  67% { opacity: 1; transform: translateY(40px); }
  100% { opacity: 0; transform: translateY(55px) scale3d(0.5, 0.5, 0.5); }
}



/* 優秀演題賞 */
.lecture-card {
  border: 1px solid #ddd;
  border-radius: 4px;
}

.lecture-card > div > h3.h5 {
  font-size: 1rem !important;
  font-weight: 500 !important;
  color: #333 !important;
  margin: 0.5rem 0;
}

.lecture-card > div > h3.h5 > span {
  font-size: 0.95rem !important;
  font-weight: 500 !important;
  color: #757575 !important;
  padding-left: 15px;
  font-style: italic;
}

/* 講演タイトルの装飾 */
.lecture-title {
  background-color: #f8fcff; 
  border-left: 3px solid #096BB1;
  font-weight: 500;
}

.speaker {
  margin-left: 12px;
  align-items: flex-end !important;
}
.speaker-name{
  line-height: 1.65;
  white-space: nowrap;
}

.speaker-affiliation {
  font-size: 0.9rem;
  color: #444;
  padding: 0 0.35em;
  line-height: 1.65;
}

.speaker-affiliation::after {
  content: ")";
}

.speaker-affiliation::before {
  content: "(";
}

/* スマホ時に講演タイトルの余白調整 */
@media (max-width: 650px) {
  .lecture-title {
    padding: 0.75rem 1rem;
  }
    .speaker {
    flex-direction: column;
    align-items: flex-start !important;
  }
  .speaker-affiliation {
    margin-left: 0;       /* ml-3 をリセット */
    margin-top: -0.15rem;  /* 上に少し隙間 */
  }
}